Arifin, Muhammad, Joko Suwignyo, & Miftah Al Hafidz. " ANALISIS VARIASI KOIL DAN CELAH BUSI TERHADAP PERFORMA PADA MOTOR 4 TAK 110 CC." Journal of Vocational Education and Automotive Technology [Online], 6.2 (2024): 151 - 159. Web. 5 Jul. 2025